20231430624 has 36 divisors (see below), whose sum is σ = 57533131656. Its totient is φ = 6743810112.

The previous prime is 20231430623. The next prime is 20231430629. The reversal of 20231430624 is 42603413202.

20231430624 is a `hidden beast` number, since 2 + 0 + 2 + 3 + 1 + 4 + 30 + 624 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20231430623) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 35123724 + ... + 35124299.

It is an arithmetic number, because the mean of its divisors is an integer number (1598142546).

Almost surely, 2^20231430624 is an apocalyptic number.

20231430624 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20231430624 is an abundant number, since it is smaller than the sum of its proper divisors (37301701032).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20231430624 is a wasteful number, since it uses less digits than its factorization.

20231430624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70248039 (or 70248028 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 20231430624 its reverse (42603413202), we get a palindrome (62834843826).

The spelling of 20231430624 in words is "twenty billion, two hundred thirty-one million, four hundred thirty thousand, six hundred twenty-four".